Fix the lib for v0.5 and v0.6 of nodejs. It's also backward compatible with v0.4

[alaingilbert]

Fix the lib for v0.5 and v0.6 of nodejs. It's also backward compatible with v0.4

[quangv]

hey alain,

thanks for the fix. I merged it with mine, and added try/catches,

would your fix still work if it's done that way?

checkout https://github.com/pgriess/node-websocket-client/pull/21/files

Thanks.

[alaingilbert]

No.
Because in node v0.4.x http.request exists, but you need to do http.createClientto make it work.
(tested with node v0.4.12 and v0.6.1)